Sulfur Dioxide (1971) Nonattainment Areas

Data is current as of September 30, 2020
Grouped by Designation

---

PRIMARY

Armstrong Co, PA

Hayden (Pinal County), AZ

Laurel Area (Yellowstone County), MT

Piti, GU

Tanguisson, GU

PRIMARY, SECONDARY

Salt Lake Co, UT

Tooele Co, UT

Warren Co, NJ

Go Top